Combined air muffler and filter



FIG. 1 is a perspective view of a combined air muffler and filter showing my new design;

FIG. 2 is a top plan view, the bottom plan view is a mirror image thereof;

FIG. 3 is a right elevational view, the left elevational view is a mirror image thereof;

FIG. 4 is a front elevational view; and

FIG. 5 is a rear elevational view. 

The ornamental design for a combined air muffler and filter, substantially as shown and described. 